“玄武岩”的拼音为：xuán wǔ yán...

玄武岩是最普通的火山岩.Basalt is the commonest volcanic rock.需要用玄武岩来铺设路面或修防洪堤.Basalt is needed to surface a road or to build a break water.所有的迹象只表明海洋地壳处都是玄武岩质的,组成也比较稳定.All indications are that it is everywhere basaltic and relative...

“玄武岩”的英语可以翻译为：asalt ...